OVERVIEW:
Form Factor & Capacity
It’s a 4 GB DDR4 SO‑DIMM module (260‑pin), single‑rank and single‑sided—ideal for laptops and compact systems.
Speed & Latency
Operates at 2666 MT/s (PC4‑21300) with CAS latency CL19 (approximate timings 19‑19‑19‑39).
Voltage
Runs on 1.2 V, consistent with standard DDR4 modules, offering decent power efficiency.
Construction & Reliability
Built using a controlled bill of materials (BOM) to ensure solid compatibility and reliability, and undergoes 100% testing before shipping. 
Plug‑and‑Play
Designed as a hassle-free upgrade—just slot it in, and it's ready to go.
 
WARRANTY DETAILS :
All Patriot Signature Line DDR4 modules, including this one, come with a limited lifetime warranty (when purchased through authorized sellers). 
These RAM sticks are covered for defects in materials and workmanship. Note that warranty may not apply if the label is missing, if purchased from unauthorized sellers, or if there’s damage from misuse or installation issues.